sign in a cave in Laos

7 November 2023

Tham Phu Pha Phet, Satun, Thailand

 In 2011 I wrote a blog about Tham Phu Pha Phet in Satun, Thailand, which I had visited with the Axbridge Caving Group in 2001. 

The area now comes under the Satun UNESCO Global Geopark, designated in 2018.

On 6 November 2023, Nature published a report "Unravelling the hidden diversity of cave mycobiota in Thailand’s Satun Geopark". In 2019 researchers had studied the mycobiota or fungi, in two caves in the Geopark, Le Stegodon and Phu Pha Phet Caves.  

From the article :
"Satun Province in southern Thailand, recognized as the "Land of Palaeozoic fossils," became the country's first UNESCO Global Geopark on April 17, 2018. The Satun UNESCO Global Geopark encompasses four districts in Satun Province, known for diverse karst topography and abundant fossils from the Palaeozoic Era. Phu Pha Phet Cave, or "Diamond Mountain Cave," in Satun Province, Thailand, is the country's largest and the world's fourth-largest cave, with a length of 536.65 m and an area of 0.16 hectares. The cave has over 20 chambers with dazzling stalactites and stalagmites resembling diamond flakes, accessed via a wooden bridge and illuminated by lighting. Tourist visits are allowed with restricted access for conservation and sustainable tourism purposes, resulting in limited visitation and moderate human interference."

I don't know the definition of largest cave in this context. It is obviously not length, could be they are referring to volume. 

These are the surveys from the 2001 ACG visits :

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